Acar starts from rest and travels for 5.8 s with a uniform acceleration of +1.2 m/s2. the driver then applies the brakes, causing a uniform acceleration of -1.7 m/s2. the breaks are applied for 1.60 s.
(a) how fast is the car going at the end of the braking period?
4.2 m/s
(b) how far has the car gone from its start?

Ascientific blank must be testable and capable of being proven false?

7. see worksheet 1 for values of variables x1, x2 and x3 and answer the following questions: a. for each variable find the mean, median, coefficient of skewness, range and population standard deviation. b. compared to variable x1, how are the mean and median affected by extreme values (outliers) seen in x2 and x3. c. is the median or mean the better measure of location for x2 and x3? explain. d. explain the differences in the magnitudes of the skewness coefficients for the three variables. e. what is the relationship between the range and standard deviation looking across the three variables?

An alarm clock has a current of 4.5 amps and a resistance of 3.2 ohms. what is the voltage in the circuit? a.1.4 volts b.0.71 volts c.14 volts d.46 volts